Results: 16

Assessing safety and efficacy of flexible ureteroscopy and laser lithotripsy in elderly patients

Objective: The objective of the study was to determine the efficacy and safety of flexible ureteroscopy (F-URS) for the management of intrarenal or proximal ureteral lithiasis in aged patients. Materials and methods: In this retrospective, multicenter observational study, we collected the anonymized cli...

Perfil metabólico em indivíduos formadores de cálculos de ácido úrico
Metabolic profile in individuals with uric acid stone formation

A litíase úrica tem seu número em crescente nas últimas décadas, contando mais de 10% dos tipos de cálculos. É também bem desenhado o mecanismo etiopatogênico que leva a sua formação, que necessita de um ambiente com pH inferior a 5,5 para seu desenvolvimento. Outros fatores que contribuem par...

Effect of a low-calorie diet on 24-hour urinary parameters of obese adults with idiopathic calcium oxalate kidney stones

Int. braz. j. urol; 47 (6), 2021
ABSTRACT Purpose: to evaluate the effect of low-calorie diet on 24-hour urinary metabolic parameters of obese adults with idiopathic calcium oxalate kidney stones. Materials and Methods: Adult idiopathic calcium oxalate stone formers, with body mass index (BMI) ≥30kg/m2 and a known lithogenic met...

Análisis de la composición química de litiasis urinaria de 649 pacientes mediante espectroscopía infrarroja, primera experiencia nacional

Rev. méd. Chile; 149 (8), 2021
Background: Chemical composition analysis of urinary stones is a fundamental part of the metabolic workup of urolithiasis. Aim: To report the chemical composition of urinary stones using infrared spectroscopy. Material and Methods: The chemical composition of rinary stones recovered from 649 patients age...

Upper urinary tract stone compositions: the role of age and gender

Int. braz. j. urol; 46 (1), 2020
ABSTRACT Objective: To analyze the compositions of upper urinary tract stones and investigate their distributions in different gender and age groups. Materials and Methods: Patients diagnosed with upper urinary tract stone disease between December 2014 and March 2018 were retrospectively reviewed. Pati...

The impact of surgical intervention on renal function in cystinuria

J. bras. nefrol; 40 (3), 2018
ABSTRACT Introduction: Cystinuria is an autosomal recessive disorder due to intestinal and renal transport defects in cystine and dibasic amino acids, which result in recurrent urolithiasis and surgical interventions. This study aimed to assess the impact of surgical interventions on renal function by a...

Litiasis renal en Paraguay: herramientas laboratoriales en la identificación de etiología y seguimiento del paciente litiásico

La litiasis renal es una patología que se caracteriza por la formación, agregación y retención de cristales en las vías urinarias. Su etiología es compleja ya que la misma puede ser el resultado de la interacción de múltiples factores tanto endógeno, metabólico como ambiental. La elevada tasa d...